German engineering giant Siemens is <A HREF="http://www.eweek.com/article2/0,1759,1825041,00.asp">selling its mobile phones unit</A> to much smaller Taiwanese rival BenQ, it said on Tuesday, drawing a line under hundreds of millions of euros of losses. BenQ will use the Siemens brand name for five years and will take over some high-profile sports sponsorship contracts, including one with star soccer team Real Madrid.